Mail Sender

Gemfile

source 'https://rubygems.org'

gem 'ruby-progressbar'

script.rb

require 'net/http'
require 'uri'
require 'json'

require 'ruby-progressbar'

@@uri = URI.parse("http://api.internal.ml.com/internal/email/")

n_lines_on_file = `wc -l < user_ids_test`.to_i

puts "Lineas number: #{n_lines_on_file}"

@@progressbar = ProgressBar.create(
    total: n_lines_on_file, 
    title: "Sending Mails",
    format: "%a %b\u{15E7}%i %p%% %t",
    progress_mark: ' ',
    remainder_mark: "\u{FF65}"
)

def send_mail_to(id)
    request = Net::HTTP::Post.new(@@uri)
    request.body = JSON.dump({
        "user_id" => id.to_i,
        "template" => "V0V1_LG_COM_TPL",
        "context" => {}
    })
    response = Net::HTTP.start(@@uri.hostname, @@uri.port, nil) do |http|
        http.request(request)
    end
    string_response = JSON.parse(response.body)
    @@progressbar.log("UserID: #{id.to_i} EmailID: #{string_response["email_id"]}")
end


File.open("user_ids.csv", "r") do |f|
    f.each_line do |line|
        send_mail_to(line)
        @@progressbar.increment
    end
end